// Copyright 2020 Douyu
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package metric

import (
	prom "github.com/prometheus/client_golang/prometheus"
	"github.com/prometheus/client_golang/prometheus/promauto"
)

// ServerMetrics ...
type ServerMetrics struct {
	handledCounter   *prom.CounterVec
	handledHistogram *prom.HistogramVec
}

// NewServerMetrics ...
func NewServerMetrics() *ServerMetrics {
	return &ServerMetrics{
		handledCounter: promauto.NewCounterVec(
			prom.CounterOpts{
				Name: "server_handle_total",
				Help: "",
			}, []string{"type", "method", "client", "code"},
		),
		handledHistogram: promauto.NewHistogramVec(
			prom.HistogramOpts{
				Name: "server_handle_seconds",
				Help: "",
			}, []string{"type", "method", "client"},
		),
	}
}

// GetHandlerCounter ...
func (s *ServerMetrics) GetHandlerCounter() *prom.CounterVec {
	return s.handledCounter
}

// GetHandlerHistogram ...
func (s *ServerMetrics) GetHandlerHistogram() *prom.HistogramVec {
	return s.handledHistogram
}
